English
Related papers

Related papers: Verifying an algorithm computing Discrete Vector F…

200 papers

Homology has long been accepted as an important computable tool for quantifying complex structures. In many applications, these structures arise as nodal domains of real-valued functions and are therefore amenable only to a numerical study…

Probability · Mathematics 2020-05-29 Konstantin Mischaikow , Thomas Wanner

We present a numerical method for the accurate and efficient simulation of strongly localized light sources, such as quantum dots, embedded in dielectric micro-optical structures. We apply the method in order to optimize the photon…

The exponential progress in generative AI poses serious implications for the credibility of all real images and videos. There will exist a point in the future where 1) digital content produced by generative AI will be indistinguishable from…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Alexander Vilesov , Yuan Tian , Nader Sehatbakhsh , Achuta Kadambi

Discrete sampling theorem is formulated that refers to discrete signals specified by a finite number of their samples and band-limited in a domain of a certain orthogonal transform. Conditions of the recoverability of such signals from…

Optics · Physics 2009-02-24 L. Yaroslavsky

Singular value decomposition is central to many problems in engineering and scientific fields. Several quantum algorithms have been proposed to determine the singular values and their associated singular vectors of a given matrix. Although…

Quantum Physics · Physics 2021-06-30 Xin Wang , Zhixin Song , Youle Wang

Deep learning has made significant breakthroughs in various fields of artificial intelligence. Advantages of deep learning include the ability to capture highly complicated features, weak involvement of human engineering, etc. However, it…

Software Engineering · Computer Science 2014-09-12 Lili Mou , Ge Li , Yuxuan Liu , Hao Peng , Zhi Jin , Yan Xu , Lu Zhang

Neural approximations of scalar and vector fields, such as signed distance functions and radiance fields, have emerged as accurate, high-quality representations. State-of-the-art results are obtained by conditioning a neural approximation…

Computer Vision and Pattern Recognition · Computer Science 2022-06-16 Towaki Takikawa , Alex Evans , Jonathan Tremblay , Thomas Müller , Morgan McGuire , Alec Jacobson , Sanja Fidler

We introduce a novel depth estimation technique for multi-frame structured light setups using neural implicit representations of 3D space. Our approach employs a neural signed distance field (SDF), trained through self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Rukun Qiao , Hiroshi Kawasaki , Hongbin Zha

Several approaches exist to data-mining big corpora of formal proofs. Some of these approaches are based on statistical machine learning, and some -- on theory exploration. However, most are developed for either untyped or simply-typed…

Programming Languages · Computer Science 2017-05-23 Ekaterina Komendantskaya , Jonathan Heras

Solutions to differential equations, which are used to model physical systems, are computed numerically by solving a set of discretized equations. This set of discretized equations is reduced to a large linear system, whose solution is…

Numerical Analysis · Mathematics 2024-03-18 Mohit Tekriwal , Joshua Miller , Jean-Baptiste Jeannin

A scheme to a complex-valued acquisition of the Fourier transform imaging was proposed. The main idea is to project the real and the imaginary parts of a diffraction field to intensity distributions respectively. The whole procedure was…

Quantum Physics · Physics 2013-09-27 Minghui Zhang , Jianfei Xu , Xianfu Wang

This paper develops a discrete theory of real Riemann surfaces based on quadrilateral cellular decompositions (quad-graphs) and a linear discretization of the Cauchy-Riemann equations. We construct a discrete analogue of an antiholomorphic…

Complex Variables · Mathematics 2026-01-01 Johanna Düntsch , Felix Günther

Hashing methods, which encode high-dimensional images with compact discrete codes, have been widely applied to enhance large-scale image retrieval. In this paper, we put forward Deep Spherical Quantization (DSQ), a novel method to make deep…

Computer Vision and Pattern Recognition · Computer Science 2019-06-10 Sepehr Eghbali , Ladan Tahvildari

In order to increase user confidence, many automated theorem provers provide certificates that can be independently verified. In this paper, we report on our progress in developing a standalone tool for checking the correctness of…

Logic in Computer Science · Computer Science 2012-12-12 Frédéric Blanqui , Kim Quyen Ly

Visual localization techniques rely upon some underlying scene representation to localize against. These representations can be explicit such as 3D SFM map or implicit, such as a neural network that learns to encode the scene. The former…

Computer Vision and Pattern Recognition · Computer Science 2024-06-13 Maxime Pietrantoni , Gabriela Csurka , Martin Humenberger , Torsten Sattler

In this paper, we consider a natural extension of the edge-preserving bilateral filter for vector-valued images. The direct computation of this non-linear filter is slow in practice. We demonstrate how a fast algorithm can be obtained by…

Computer Vision and Pattern Recognition · Computer Science 2016-05-10 Sanjay Ghosh , Kunal N. Chaudhury

In this paper, we investigate vector fields on polyhedral complexes and their associated trajectories. We study vector fields which are analogue of the gradient vector field of a function in the smooth case. Our goal is to define a nice…

Algebraic Topology · Mathematics 2021-09-09 Takeo Nishinou

Persistent (co)homology is a central construction in topological data analysis, where it is used to quantify prominence of features in data to produce stable descriptors suitable for downstream analysis. Persistence is challenging to…

Computational Geometry · Computer Science 2024-10-23 Arnur Nigmetov , Dmitriy Morozov

Recent advancements in implicit neural representations have contributed to high-fidelity surface reconstruction and photorealistic novel view synthesis. However, the computational complexity inherent in these methodologies presents a…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Yiying Yang , Wen Liu , Fukun Yin , Xin Chen , Gang Yu , Jiayuan Fan , Tao Chen

This paper describes SEPIA, a tool for automated proof generation in Coq. SEPIA combines model inference with interactive theorem proving. Existing proof corpora are modelled using state-based models inferred from tactic sequences. These…

Logic in Computer Science · Computer Science 2015-06-01 Thomas Gransden , Neil Walkinshaw , Rajeev Raman